Set minimum terraform version to 0.12.6 (fixes circleci) (#390)

Author: eytanhanig

.circleci/config.yml

@@ -2,19 +2,14 @@ version: 2
 
 terraform: &terraform
  docker:
- - image: hashicorp/terraform:0.12.0
+ - image: hashicorp/terraform:0.12.6
  working_directory: /tmp/workspace/terraform
 
 jobs:
  validate:
  <<: *terraform
- environment:
- AWS_DEFAULT_REGION: us-east-1
  steps:
  - checkout
- - run:
- name: Install curl
- command: apk add --update curl
 # - run:
 # name: Add github.com to ~/.ssh/known_hosts
 # command: mkdir ~/.ssh && ssh-keyscan -t rsa github.com >> ~/.ssh/known_hosts
@@ -24,12 +19,14 @@ jobs:
  - run:
  name: Validate Terraform configurations
  command: find . -name ".terraform" -prune -o -type f -name "*.tf" -exec dirname {} \;|sort -u | while read m; do (cd "$m" && terraform validate && echo "√ $m") || exit 1 ; done
+ environment:
+ AWS_DEFAULT_REGION: us-east-1
  - run:
  name: Check if Terraform configurations are properly formatted
  command: if [[ -n "$(terraform fmt -write=false)" ]]; then echo "Some terraform files need be formatted, run 'terraform fmt' to fix"; exit 1; fi
  - run:
  name: Install tflint
- command: curl -L -o /tmp/tflint.zip https://github.com/wata727/tflint/releases/download/v0.12.1/tflint_linux_amd64.zip && unzip /tmp/tflint.zip -d /usr/local/bin
+ command: wget -O /tmp/tflint.zip https://github.com/wata727/tflint/releases/download/v0.12.1/tflint_linux_amd64.zip && unzip /tmp/tflint.zip -d /usr/local/bin
  - run:
  name: Check Terraform configurations with tflint
  command: tflint

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 - repo: git://github.com/antonbabenko/pre-commit-terraform
- rev: v1.23.0
+ rev: v1.24.0
  hooks:
  - id: terraform_fmt
  - id: terraform_docs

README.md

@@ -214,7 +214,7 @@ It is possible to integrate this VPC module with [terraform-aws-transit-gateway
 
 | Name | Version |
 |------|---------|
-| aws | n/a |
+| aws | ~> 2.23 |
 
 ## Inputs
 

versions.tf

@@ -0,0 +1,7 @@
+terraform {
+ required_version = "~> 0.12.6"
+
+ required_providers {
+ aws = "~> 2.23"
+ }
+}